EVOLUTION-MANAGER

Edit File: languageaccess340.php

<?php
/**
 * @package     Joomla.Administrator
 * @subpackage  com_admin
 *
 * @copyright   Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
 * @license     GNU General Public License version 2 or later; see LICENSE.txt
 *
 * This file contains post-installation message handling for the checks if the installation is
 * affected by the issue with content languages access in 3.4.0
 */

defined('_JEXEC') or die;

/**
 * Checks if the installation is affected by the issue with content languages access in 3.4.0
 *
 * @link    https://github.com/joomla/joomla-cms/pull/6172
 * @link    https://github.com/joomla/joomla-cms/pull/6194
 *
 * @return  boolean
 *
 * @since   3.4.1
 */
function admin_postinstall_languageaccess340_condition()
{
	$db    = JFactory::getDbo();
	$query = $db->getQuery(true)
		->select($db->quoteName('access'))
		->from($db->quoteName('#__languages'))
		->where($db->quoteName('access') . ' = ' . $db->quote('0'));
	$db->setQuery($query);
	$db->execute();
	$numRows = $db->getNumRows();

if (isset($numRows) && $numRows != 0)
	{
		// We have rows here so we have at minumum one row with access set to 0
		return true;
	}

// All good the query return nothing.
	return false;
}